Drei große Reformenpakete und eine Reihe kleinerer Begleitmaßnahmen prägen das renten¬politische Erbe der rot-grünen Bundesregierung. Einerseits greifen sie Trends in der Reformpolitik seit Beginn der 90er Jahre auf. So verstärkt die Rentenstrukturreform 2001 beispielsweise die...

The optimal design of heat exchanger networks (HENs) has a great influence on the profitability of a plant. The optimisation is based on trade-offs between investment and operational cost. The full lifetime of the HEN and future utility prices have to be considered rather than optimising HEN on...

This paper studies how firms adapt hours and employment to changes in business conditions. For this purpose we build a formal model which accounts for dynamic uncertainty and costly adjustments on both margins of the labour input. Using stochastic methods we find that the optimal employment...

This paper studies how firms adapt hours and employment to changes in business conditions. For this purpose we build a formal model which accounts for dynamic uncertainty and costly adjustments on both margins of the labour input. Using stochastic methods we find that the optimal employment...

Business Process Management Systems (BPMS) provide a broad range of facilities to manage operational business processes. These systems should provide support for the complete Business Process Management (BPM) life-cycle (16): (re)design, configuration, execution, control, and diagnosis of...

A fast growth of installed wind power capacity has been experienced in several European countries. In Germany, notably high wind power capacities are planned in the North. If the existing transmission capacities between individual regions become insufficient, the electricity prices will differ...